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Cisco Bug: CSCus85031 - DHCP option 249 failing on IOS-XE

Last Modified

Jan 27, 2017

Products (1)

  • Cisco IOS

Known Affected Releases

15.4(3)

Description (partial)

Symptom:
DHCP INFORM packet reaches ASR1k but DHCP ACK is never sent back on the interface.

"debug ip dhcp server event" and "debug ip dhcp server packet" confirms DHCP INFORM gets to the unit but packet is dropped at HW level.

F340.27.25.ISR4431-4#$rm hardware qfp active statistics drop | exclude _0_
-------------------------------------------------------------------------
Global Drop Stats                         Packets                  Octets
-------------------------------------------------------------------------
Discard                                               2                              112
Ipv4NoRoute                                   6                              388

Conditions:
Issue specific to IOS-XE
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
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